Home / 10,977.12-16,448.94-7,029.45

Finding the Fourth Proportional to 10,977.12, 16,448.94 and 7,029.45

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Solution

The fourth proportional to 10,977.12, 16,448.94 and 7,029.45 is: 10,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.12 : 16,448.94 = 7,029.45 : x
  2. Step 2: Convert to fraction form
    10,977.12/16,448.94 = 7,029.45/x
  3. Step 3: Cross multiply
    10,977.12x = 16,448.94 × 7,029.45
  4. Step 4: Simplify right side
    10,977.12x = 115,627,001.28
  5. Step 5: Solve for x
    x = 115,627,001.28/10,977.12
  6. Step 6: Final answer
    x = 10,533.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.